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Cheap flights from Kolkata to Sylhet

Kolkata
CCU
Sylhet
ZYL

Flight deals from Kolkata to Sylhet

Below you can see the best deals on flights Kolkata — Sylhet for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 17 August, from $81.

Top 10 cheap flights from Kolkata to Sylhet

About the Kolkata — Sylhet flight

On this page, you can find and buy flight tickets from Kolkata to Sylhet. Please note that there are no direct flights on this route; the trip is operated with a layover at Hazrat Shahjalal International Airport, with a minimum travel time of approximately 4 hours and 25 minutes.

The main carriers on this route are IndiGo and Biman Bangladesh. Keep in mind that ticket prices are dynamic, so we recommend using the low-price calendar and cost chart to find the best deals. You should also check information on how to get to Kolkata airport and arrange a transfer from Sylhet airport in advance.

Flight ticket prices by day: Kolkata — Sylhet

Below is a calendar of the lowest flight ticket prices for Kolkata — Sylhet by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $81 in ,, and the most expensive are around $81 in ,. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Kolkata → Sylhet, average one-way price

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$157highMay$139mediumSep$122low
Feb$155highJun$123lowOct$139medium
Mar$145mediumJul$120lowNov$154high
Apr$142mediumAug$113lowDec$159high

Some values are estimated based on seasonality.

When to fly

The climate in Sylhet is characterized by distinct seasonality: the warmest month is August with an average temperature of 31°C, while the coolest is January, when the temperature drops to 12°C. The peak of the rainy season occurs in June with extreme rainfall (over 830 mm), which is important to consider when planning your trip.

Although exact price data for the entire year is not provided, estimated flight costs start $81. We recommend monitoring price trends in real-time through the charts on this page, as fares depend on flight occupancy via Dhaka and seasonal demand.

The optimal time to visit the region is from November to February, when the weather is dry and temperatures are comfortable. Summer months should be avoided due to the high probability of heavy monsoon rains, which can affect flight schedules.

Temperature · Sylhet

Dry and wet days · Sylhet

Wind speed and direction · Sylhet

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How to get the best deal on a Kolkata — Sylhet ticket

  • Book a single ticket: Since the route involves a connection in Dhaka, choose a single booking from IndiGo or Biman Bangladesh to guarantee your connection and simplify baggage check-in.
  • Check baggage allowance: With ticket prices starting $81, low-cost carriers may offer fares without included baggage, so check the carry-on rules in advance.
  • Allow time for layovers: Additional time may be required for transit formalities at Hazrat Shahjalal International Airport, so choose options with a buffer of at least 2-3 hours.
  • Use search tools: We recommend tracking prices through the low-price calendar, as the cost of a connecting flight can decrease significantly when choosing alternative departure dates.

Airlines

Flights on the Kolkata — Sylhet route are provided by two main airlines: IndiGo and Biman Bangladesh. There are no direct flights between these cities, so carriers operate connecting flights through Dhaka airport. You can find detailed information on departure days and connection options in the interactive list below by clicking on the card of the airline you are interested in.

There are no direct flights on the Kolkata — Sylhet route. Showing airlines offering connecting flights.
  • Indigo Air6E
    WebsiteFleet: 434118M pax/year
    • CCU → DAC → ZYL (with stopover)
    Open →
  • Biman BangladeshBG
    WebsiteFleet: 213.1M pax/year
    • CCU → DAC → ZYL (with stopover)
    Open →

Cities and airports on the Kolkata — Sylhet route

Flights Kolkata — Sylhet depart from Netaji Subhas Chandra Bose Airport and arrive at Sylhet Civil Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Kolkata

CCU
India
About the cityHow to get thereWeatherAll about the country India
Arrival

Sylhet

ZYL
Bangladesh
About the cityHow to get thereWeatherAll about the country Bangladesh
Departure airports
Arrival airports

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Frequently asked questions about the Kolkata — Sylhet flight

How long is the flight from Kolkata to Sylhet?

Since there are no direct flights, a flight with a layover takes about 4 hours and 25 minutes. The total travel time depends on the duration of the connection at Hazrat Shahjalal International Airport in Dhaka.

Which airlines fly this route?

The main carriers operating connecting flights between these cities are IndiGo and Biman Bangladesh.

Are there direct flights from Kolkata to Sylhet?

No, there are currently no non-stop flights. All available routes include one stop in Dhaka.

How much does the cheapest ticket cost?

Flight prices change constantly depending on demand and booking date. You can check the current minimum prices for your dates in the low-price calendar on this page.

Which airport does the flight arrive at?

Flights from Kolkata arrive at Sylhet's international airport, known as Osmani (IATA code: ZYL).

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